package com.my.mapper;

import com.my.model.User;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

import java.lang.annotation.Retention;

/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author wxq
 * @since 2020-06-13
 */
@Repository
public interface UserMapper extends BaseMapper<User> {
 

    Long inseart(User user);

    User selectByUserName(String s);
}
